Answer:
Before they replicate the two DNA strands need to separate from each other.
Explanation:
Answer:
nourish the placenta
Explanation:
The hormone called human placental lactogen (hPL) is a hormone secreted by the placenta, which functions to supply nutrients and oxygen to the growing fetus in the womb.
The human placental lactogen is produced to help in the efficient use of ingested food substances in the production of energy (metabolism). This indirectly helps to nourish the placenta because if the mother efficiently converts food into nutrients, the placenta is also adequately nourished.
The answer is : C ( A tree
Answer:
it is D regulation of growth in the skeletal system
Explanation:
I hope it right
Hello!
The continental drift says that the world was made up of a single continent, now divided by the plate-tectonics movement. The plate-tectonics, so, explains how the continents are drifting.
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